/// <summary>
/// Checks if the key for shooting is pressed
/// </summary>
/// <param name="keyboardState">Keyboard state</param>
/// <returns></returns>
private bool ShootKeyPressed(IControllerState keyboardState)
{
if (keyboardState.IsKeyDown(Keys.A))
{
this.ShootDirection = SearchPattern.Left;
}
else if (keyboardState.IsKeyDown(Keys.D))
{
this.ShootDirection = SearchPattern.Right;
}
else if (keyboardState.IsKeyDown(Keys.W))
{
this.ShootDirection = SearchPattern.Up;
}
else if (keyboardState.IsKeyDown(Keys.S))
{
this.ShootDirection = SearchPattern.Down;
}
else
{
return false;
}
return true;
}
/// <summary>
/// heals the hero when "1" is pressed
/// </summary>
/// <param name="keyboardState">keyboard state</param>
/// <param name="gameTime">game time</param>
private void OnDigitOne(IControllerState keyboardState, GameTime gameTime)
{
if (keyboardState.IsKeyDown(Keys.D1))
{
if (this.MedKits > 0 && !this.isMedKitUsed)
{
this.Heal(gameTime);
}
}
else
{
this.PrepareMedKit(gameTime);
}
}
/// <summary>
/// Inspects objects when space is pressed
/// </summary>
/// <param name="keyboardState">key board state</param>
/// <param name="gameTime">game time</param>
private void OnSpacebar(IControllerState keyboardState, GameTime gameTime)
{
if (keyboardState.IsKeyDown(Keys.Space))
{
this.InspectNearbyObjects(gameTime);
}
}
/// <summary>
/// Move the Player
/// </summary>
/// <param name="gameTime">Game time</param>
/// <param name="keyboardState">Keyboard state</param>
private void Move(GameTime gameTime, IControllerState keyboardState)
{
PointF existingPosition = this.Position;
Point existingMapPosition = this.MapPosition;
var move = (float)(PlayerSpeed * gameTime.ElapsedTime.TotalSeconds);
if (keyboardState.IsKeyDown(Keys.Left))
{
this.Position = new PointF(this.Position.X - move, this.Position.Y);
this.WalkDirection = Direction.Left;
}
else if (keyboardState.IsKeyDown(Keys.Right))
{
this.Position = new PointF(this.Position.X + move, this.Position.Y);
this.WalkDirection = Direction.Right;
}
else if (keyboardState.IsKeyDown(Keys.Up))
{
this.Position = new PointF(this.Position.X, this.Position.Y - move);
this.WalkDirection = Direction.Up;
}
else if (keyboardState.IsKeyDown(Keys.Down))
{
this.Position = new PointF(this.Position.X, this.Position.Y + move);
this.WalkDirection = Direction.Down;
}
else
{
this.WalkDirection = Direction.Still;
return;
}
// The position on the map is represented by two integers (pixel accuracy)
this.MapPosition = new Point((int)Math.Round(this.Position.X), (int)Math.Round(this.Position.Y));
// Check if we can move on the next position
// (not leaving the map and not colliding with walls or other objects)
if (Collisions.IsNotCollding(this))
{
// Player was moved
return;
}
// Player cannot go here, return the old coords
this.Position = existingPosition;
this.MapPosition = existingMapPosition;
}